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拋物線2--焦點法
Author:
15黃瀚霆
拋物線2--焦點法
GeoGebra
New Resources
sanjiaohanshu
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
拼砌四邊形
畫出對稱圖形
Discover Resources
分解三棱柱
畢氏定理證明（Ｉ）
製作對稱圖形 level 3
Gazing Cow Problem (c)
認識分數的副本
Discover Topics
Conditional Probability
Parabola
Parametric Curves
Conic Sections
Upper and Lower Sum or Riemann Sum